CA1030040A - Compensated work port fluid valves - Google Patents

Compensated work port fluid valves

Info

Publication number
CA1030040A
CA1030040A CA242,679A CA242679A CA1030040A CA 1030040 A CA1030040 A CA 1030040A CA 242679 A CA242679 A CA 242679A CA 1030040 A CA1030040 A CA 1030040A
Authority
CA
Canada
Prior art keywords
fluid valves
work port
port fluid
compensated work
compensated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA242,679A
Other languages
English (en)
French (fr)
Inventor
John D. Petro
Robert F. Hodgson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commercial Shearing Inc
Original Assignee
Commercial Shearing Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commercial Shearing Inc filed Critical Commercial Shearing Inc
Application granted granted Critical
Publication of CA1030040A publication Critical patent/CA1030040A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • F15B13/0403—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves a secondary valve member sliding within the main spool, e.g. for regeneration flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
    • F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation valves
    • F15B13/0418—Load sensing elements sliding within a hollow main valve spool

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Multiple-Way Valves (AREA)
  • Servomotors (AREA)
  • Fluid-Pressure Circuits (AREA)
CA242,679A 1975-01-13 1975-12-29 Compensated work port fluid valves Expired CA1030040A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54040275A 1975-01-13 1975-01-13

Publications (1)

Publication Number Publication Date
CA1030040A true CA1030040A (en) 1978-04-25

Family

ID=24155303

Family Applications (1)

Application Number Title Priority Date Filing Date
CA242,679A Expired CA1030040A (en) 1975-01-13 1975-12-29 Compensated work port fluid valves

Country Status (7)

Country Link
BR (1) BR7600135A (xx)
CA (1) CA1030040A (xx)
DE (1) DE2600776A1 (xx)
FR (1) FR2297370A1 (xx)
GB (1) GB1503842A (xx)
IT (1) IT1052919B (xx)
ZA (1) ZA7695B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4187877A (en) * 1975-01-13 1980-02-12 Commercial Shearing Inc. Compensated work port fluid valves
ZA7696B (en) * 1975-02-06 1976-12-29 Commercial Shearing Compensated work port fluid valves and work port compensators
US4117862A (en) * 1977-02-07 1978-10-03 Tomco, Inc. Pressure compensated control valve
DE3341641A1 (de) * 1983-11-17 1985-05-30 Mannesmann Rexroth GmbH, 8770 Lohr Wegeventil mit bremskolben
US4738279A (en) * 1985-12-17 1988-04-19 Linde Aktiengesellschaft Multiway valves with load feedback
DE19651967A1 (de) * 1996-12-13 1998-06-18 Mannesmann Rexroth Ag Wegeventil zur lastunabhängigen Steuerung eines hydraulischen Verbrauchers hinsichtlich Richtung und Geschwindigkeit
CN104964069B (zh) * 2015-07-08 2017-06-27 实用动力(中国)工业有限公司 气动液压三位五通换向阀

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2888943A (en) * 1957-09-25 1959-06-02 American Brake Shoe Co Control valve having constant volume output features
GB971821A (en) * 1961-03-28 1964-10-07 Hamworthy Engineering Improvements in or relating to hydraulic control valves
US3136328A (en) * 1961-11-17 1964-06-09 Webster Electric Co Inc Spool type control valve with constant flow valve in spool
US3415265A (en) * 1966-03-03 1968-12-10 Parker Hannifin Corp Directional control valve with priority flow divider
DE1273943B (de) * 1966-06-18 1968-07-25 Westinghouse Bremsen Apparate Hydraulische Ventileinrichtung
US3602104A (en) * 1969-07-08 1971-08-31 Eaton Yale & Towne Pressure-compensated flow control
US3565110A (en) * 1969-08-04 1971-02-23 Commercial Shearing Control valves
US3707988A (en) * 1971-09-24 1973-01-02 Commercial Shearing Control valves
US3910311A (en) * 1974-08-26 1975-10-07 Koehring Co Pressure compensated control valve

Also Published As

Publication number Publication date
GB1503842A (en) 1978-03-15
AU1020376A (en) 1977-07-21
IT1052919B (it) 1981-08-31
FR2297370A1 (fr) 1976-08-06
BR7600135A (pt) 1976-08-31
FR2297370B1 (xx) 1980-04-30
DE2600776A1 (de) 1976-07-15
ZA7695B (en) 1976-12-29

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